.tree {

  position: absolute;
  z-index: 1;
  top: 52%;
  left: 0.5em;
  width: 260px;
  height: 320px;
  background-color: #fff;
  opacity: 0.9;
}

.tree0{
  position: absolute;
  z-index: 1;
  top: 52%;
  left: 0.5em;
  width: 30px;
  height: 30px;
  background-color: #4570a3f1;
  opacity: 0.9;
  border-radius: 50%;
  border: 8px solid #759fd6d3;
  cursor: pointer;
}
.label{
  margin-left: 10px;
}
.directory {
  margin-left: 15%;
  padding: 5px;
}
.tree .title span {
  margin-left: 8px;
}